Transformations

2. Something that makes a right angle to the vertical axis.
3. The extent of something.
6. Something that makes a right angle to the horizontal axis.
9. A line of numbers arranged vertically in matrices.
10. The exact middle of an object.
11. When we transform a shape it is still ____ to the preimage.
12. The first or beginning of something.
13. The last or end of something.
16. A mathematical term for changing the position of a shape.
17. The process of changing the position of a shape while maintaining it's congruence.
18. A rectangle of numbers arranged in rows and columns.
20. What the numbers inside the matrices are called.
21. Describes a translation by it's direction and magnitude.

1. The original figure before it is transformed.
4. A line of reference on a coordinate plane.
5. A course in which something moves.
7. A type of transformation that rotates a shape around a point.
8. A transformation that uses a line like a mirror to reflect an image.
10. A line of numbers arranged horizontally in a matrix.
14. A part of something larger.
15. A mark that shows the place of a location of something on a coordinate plane.
19. What we call a new image when the preimage is transformed.